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EN 1.4971 Stainless Steel vs. ASTM A27 Cast Steel

Both EN 1.4971 stainless steel and ASTM A27 cast steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
25 to 27
Fatigue Strength, MPa 270
170 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 800
460 to 550
Tensile Strength: Yield (Proof), MPa 340
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
52
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 300
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
140 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
16 to 20
Strength to Weight: Bending, points 23
17 to 19
Thermal Diffusivity, mm2/s 3.4
14
Thermal Shock Resistance, points 19
15 to 18